@misc{indiciaed0c4724d8006,
  title = {Computer Programs to Display and Modify Data in Geographic Coordinates and Methods to Transfer Positions to and from Maps, with Applications to Gravity Data Processing, Global Positioning Systems, and 30-Meter Digital Elevation Models},
  author = {Donald Plouff},
  year = {1998},
  doi = {10.3133/ofr98233},
  url = {https://pubs.usgs.gov/publication/ofr98233},
  note = {Source identifier: ofr98233}
}